Messages in this thread Patch in this message | | | From | Lipeng <> | Subject | [PATCH net-next 1/7] net: hns3: fix a bug when alloc new buffer | Date | Mon, 23 Oct 2017 19:51:01 +0800 |
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When alloce new buffer to HW, should unmap the old buffer first. This old code map the old buffer but not unmap the old buffer, this patch fixes it.
Fixes: 76ad4f0 (net: hns3: Add support of HNS3 Ethernet Driver for hip08 SoC)
Signed-off-by: Lipeng <lipeng321@huawei.com> --- drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c index 8383d67..3ddcd47 100644 --- a/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c +++ b/drivers/net/ethernet/hisilicon/hns3/hns3pf/hns3_enet.c @@ -1595,7 +1595,7 @@ static int hns3_alloc_ring_buffers(struct hns3_enet_ring *ring) static void hns3_replace_buffer(struct hns3_enet_ring *ring, int i, struct hns3_desc_cb *res_cb) { - hns3_map_buffer(ring, &ring->desc_cb[i]); + hns3_unmap_buffer(ring, &ring->desc_cb[i]); ring->desc_cb[i] = *res_cb; ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma); } -- 1.9.1
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